It depend on the style if you have a Gl or LX.
The GL is 20 gal or 75.7L
The LX is 25 gal or 94.6L
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I checked the 1999 through 2003 Ford Windstar Owner Guides and they all
show :
( 26.0 U.S. gallons / 98.4 litres )
25 gallons
25 gallons ========================================================= The 1999 Ford Windstar Owner Guide shows ( 26.0 U.S. gallons ) Helpfull
( 98.4 liters / 26 U.S. gallons ) on a 2002 Ford Windstar
According to the 2002 Ford Windstar Owner Guide : ( 98.4 liters / 26.0 U.S. gallons )
Capacity should be in your owners manual. ========================================================= Assuming it is the same as the ( 1996 ) model year of Ford Windstar : GL ( 20 or optional 25 U.S. gallon gas tank ) LX ( 25 gallons ) * gas tank capacity
98.4 liters ( 26 U.S. gallons ) on a 2002 Ford Windstar
According to the 1996 Ford Windstar owners manual : LX trim ( 25 U.S. gallons ) Gl ( 20 or optional 25 )
98.4 liters ( 26 U.S. gallons )
A ( 2003 ) Ford windstar ( which was the last model year ) holds 98.4 liters / 26 U.S. gallons
The LX is 25 gallons ( U.S. ) The GL is 20 gallons / optional 25 gallons ( U.S. )
According to the 1996 Ford Windstar Owner Guide : In U.S. gallons : The GL has a ( 20 or optional 25 tank ) The LX has a ( 25 tank )
A ( 1996 ) Ford Windstar GL either had a 20 gallon tank or the optional 25 gallon tank